SU655305A3 - Способ очистки динитрила малоновой кислоты - Google Patents

Способ очистки динитрила малоновой кислоты

Info

Publication number
SU655305A3
SU655305A3 SU731975754A SU1975754A SU655305A3 SU 655305 A3 SU655305 A3 SU 655305A3 SU 731975754 A SU731975754 A SU 731975754A SU 1975754 A SU1975754 A SU 1975754A SU 655305 A3 SU655305 A3 SU 655305A3
Authority
SU
USSR - Soviet Union
Prior art keywords
dinitrile
acid
malonic acid
product
malonic
Prior art date
Application number
SU731975754A
Other languages
English (en)
Russian (ru)
Inventor
Хаймбергер Вернер
Шрейер Герд
Шмитт Херманн
Тейссен Фердинанд
Вейгерт Вольфганг
Original Assignee
Дегусса (Фирма)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Дегусса (Фирма) filed Critical Дегусса (Фирма)
Application granted granted Critical
Publication of SU655305A3 publication Critical patent/SU655305A3/ru

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00Carboxylic acid nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
SU731975754A 1972-12-08 1973-12-07 Способ очистки динитрила малоновой кислоты SU655305A3 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2260126A DE2260126C2 (de) 1972-12-08 1972-12-08 Verfahren zur Herstellung von reinem, stabilem Malonsäuredinitril

Publications (1)

Publication Number Publication Date
SU655305A3 true SU655305A3 (ru) 1979-03-30

Family

ID=5863896

Family Applications (1)

Application Number Title Priority Date Filing Date
SU731975754A SU655305A3 (ru) 1972-12-08 1973-12-07 Способ очистки динитрила малоновой кислоты

Country Status (11)

Country Link
US (1) US3867422A (xx)
JP (1) JPS5647900B2 (xx)
AT (1) AT323126B (xx)
BE (1) BE808338A (xx)
CA (1) CA1003856A (xx)
CH (1) CH592052A5 (xx)
DE (1) DE2260126C2 (xx)
FR (1) FR2209750B1 (xx)
GB (1) GB1436958A (xx)
NL (1) NL7316806A (xx)
SU (1) SU655305A3 (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3006492A1 (de) * 1980-02-21 1981-08-27 Degussa Ag, 6000 Frankfurt Verfahren zur gewinnung von malonsaeuredinitril
JPH0518393Y2 (xx) * 1987-04-27 1993-05-17
CN112679385B (zh) * 2020-12-31 2022-09-09 河北诚信集团有限公司 一种丙二腈的提纯方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2553406A (en) * 1950-04-08 1951-05-15 American Cyanamid Co Preparation of malononitriles
US2606917A (en) * 1951-06-29 1952-08-12 American Cyanamid Co Preparation of nitriles
US2809986A (en) * 1955-11-17 1957-10-15 Kay Fries Chemicals Inc Method for the purification of malononitrile
US3417126A (en) * 1966-01-14 1968-12-17 Nissan Chemical Ind Ltd Method of producing malononitrile
DE1911174C3 (de) * 1968-04-05 1979-08-09 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Verfahren zur Herstellung von Malonsäuredinitril
CS157061B2 (xx) * 1968-05-09 1974-08-23
US3549684A (en) * 1968-10-11 1970-12-22 Chris Craft Ind Inc Production of o-chlorobenzalmalononitrile
US3541133A (en) * 1969-04-03 1970-11-17 Little Inc A Method for synthesizing malononitrile
CH509447A (de) * 1969-06-19 1971-06-30 Madag Maschinen Und App Bau Di Mustereinrichtung an einem Strickapparat
US3616269A (en) * 1969-07-10 1971-10-26 Ashland Oil Inc Method for the purification of malononitrile by the addition of cyclopentadiene followed by distillation
US3607136A (en) * 1969-08-15 1971-09-21 Du Pont Recovery of ammonium sulfate

Also Published As

Publication number Publication date
AT323126B (de) 1975-06-25
NL7316806A (xx) 1974-06-11
FR2209750A1 (xx) 1974-07-05
FR2209750B1 (xx) 1977-06-03
DE2260126C2 (de) 1983-12-01
US3867422A (en) 1975-02-18
BE808338A (fr) 1974-06-06
GB1436958A (en) 1976-05-26
DE2260126A1 (de) 1974-06-12
JPS4987628A (xx) 1974-08-22
JPS5647900B2 (xx) 1981-11-12
CH592052A5 (xx) 1977-10-14
CA1003856A (en) 1977-01-18

Similar Documents

Publication Publication Date Title
US4633025A (en) Method for preparing (+)R-2-methyl-hexane-1,2-diol
JPH0674243B2 (ja) 光学純度の高い光学活性アテノロール塩及びアテノロールの製法
SU655305A3 (ru) Способ очистки динитрила малоновой кислоты
US3824286A (en) Preparation of polyacetylalkylene diamines
JPS59110677A (ja) ニコチン酸アミドの製法
EP0479664B1 (fr) Procédé de synthèse de monohalogénoalcanoylferrocènes
US2648709A (en) Methyl-chlorpropyl formamide
RU2041189C1 (ru) Способ получения бромистого этила
JPH10324670A (ja) 環状カルバメートを用いるクロロケトアミンの製造方法
US3642889A (en) Production of lactic acid
JP3640319B2 (ja) ベンズアミド誘導体の製造方法
US4010160A (en) Process for the manufacture of 1,3-bis-(β-ethylhexyl)-5-amino-5-methyl-hexahydropyrimidine
US4697032A (en) Process for the preparation of 1-bromoethyl hydrocarbonyl carbonates and new 1-bromoethyl hydrocarbonyl carbonates
US2844592A (en) Preparation of conversion products of pentaerythrite dichlorohydrine monosulfurous acid esters
KR100403143B1 (ko) 1-브로모에틸 아세테이트의 제조방법
Souther Some condensation reactions involving the elimination of ester groups
US2447419A (en) Preparation of diphenylacetonitrile
US4503238A (en) Preparation of dihydro-4,4-dimethylfuran-2,3-dione
US3957730A (en) Recovery of pure 2-methyl-2-hydroxy-heptanone-6
SU433145A1 (ru) . способ получения тршттамшое
US715896A (en) Process of making ionone.
TW202130617A (zh) 製備1,1’-二硫烷二基雙(4-氟-2-甲基-5-硝基苯)之方法
US6777562B1 (en) Preparation of a trans-calanolide ketone intermediate and chiral separation of calanolide alcohols to give racemic calanolide A
US4048169A (en) 1,3-Bis-(β-ethylhexyl)-5-nitro-5-methyl-hexahydropyrimidine-naphthalene-1,5-disulphonate
SU566450A1 (ru) Способ получени дихлормальсинового ангидрита